“This contract procures long lead time materials, parts, components, and efforts necessary to maintain on-time production and delivery of 118 Lot 18 F-35 aircraft for the Air Force, Marine Corps, Navy, non-US department of defence participants, and Foreign Military Sales customers,” the department said on the US$1.05 billion Lockheed contract.

Earlier this month, Lockheed Martin received a defence department contract worth US$431 million to deliver new High Mobility Artillery Rocket Systems (Himars) and support services for the US Army and its foreign allies.

Separately, Boeing Co was awarded a US$497 million firm-fixed-price contract for CH-47F helicopters, the department said on Friday, adding Dec 30, 2025, was the estimated contract completion date.